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1.Java Timerå®æ¶
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继æ¿java.util.TimerTaskç±»å®ç°runæ¹æ³
import java.util.TimerTask;
public class EmailReportTask extends TimerTask{
@Override
public void run() {
...
}
}
å¨Springå®ä¹
...
é
ç½®Springå®æ¶å¨
<bean id="scheduleReportTask" class="org.springframework.scheduling.timer.ScheduledTimerTask">
<property name="timerTask" ref="reportTimerTask" />
<property name="period">
<value>86400000value>
property>
bean>
timerTaskå±æ§åè¯ScheduledTimerTaskè¿è¡åªä¸ªã86400000代表24个å°æ¶
å¯å¨Springå®æ¶å¨
SpringçTimerFactoryBeanè´è´£å¯å¨å®æ¶ä»»å¡
<bean class="org.springframework.scheduling.timer.TimerFactoryBean">
<property name="scheduledTimerTasks">
<list><ref bean="scheduleReportTask"/>list>
property>
bean>
scheduledTimerTaskséæ¾ç¤ºä¸ä¸ªéè¦å¯å¨çå®æ¶å¨ä»»å¡çå表ã
å¯ä»¥éè¿è®¾ç½®delayå±æ§å»¶è¿å¯å¨
<bean id="scheduleReportTask" class="org.springframework.scheduling.timer.ScheduledTimerTask">
<property name="timerTask" ref="reportTimerTask" />
<property name="period">
<value>86400000value>
property>
<property name="delay">
<value>3600000value>
property>
bean>
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2.Quartzå®æ¶å¨
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继æ¿QuartzJobBeanç±»å®ç°executeInternalæ¹æ³
import org.quartz.JobExecutionContext;
import org.quartz.JobExecutionException;
import org.springframework.scheduling.quartz.QuartzJobBean;
public class EmailReportJob extends QuartzJobBean{
protected void executeInternal(JobExecutionContext arg0)
throws JobExecutionException {
...
}
}
å¨Springä¸å®ä¹
<bean id="reportJob" class="org.springframework.scheduling.quartz.JobDetailBean">
<property name="jobClass">
<value>EmailReportJobvalue>
property>
<property name="jobDataAsMap">
<map>
<entry key="courseService">
<ref bean="courseService"/>
entry>
map>
property>
bean>
å¨è¿éæ们并没æç´æ¥å£°æä¸ä¸ªEmailReportJob Beanï¼èæ¯å£°æäºä¸ä¸ªJobDetailBeanãè¿ä¸ªæ¯Quartzçç¹ç¹ãJobDetailBeanæ¯Quartzçorg.quartz.JobDetailçåç±»ï¼å®è¦æ±éè¿jobClasså±æ§æ¥è®¾ç½®ä¸ä¸ªJob对象ã
使ç¨QuartzçJobDetailä¸çå¦ä¸ä¸ªç¹å«ä¹å¤æ¯EmailReportJobçcourseServiceå±æ§æ¯é´æ¥è®¾ç½®çãJobDetailçjobDataAsMapå±æ§æ¥åä¸ä¸ªMapï¼å
æ¬è®¾ç½®ç»jobClassçåç§å±æ§ï¼å½ãJobDetailBeanå®ä¾åæ¶ï¼å®ä¼å°courseService Bean注å
¥å°EmailReportJob çcourseService å±æ§ä¸ã
å¯å¨å®æ¶å¨
Quartzçorg.quartz.Triggerç±»æè¿°äºä½æ¶å以ææ ·çé¢åº¦è¿è¡ä¸ä¸ªQuartzå·¥ä½ãSpringæä¾äºä¸¤ä¸ªè§¦åå¨SimpleTriggerBeanåCronTriggerBeanã
SimpleTriggerBeanä¸scheduledTimerTasks类似ãæå®å·¥ä½çæ§è¡é¢åº¦ï¼æ¨¡ä»¿scheduledTimerTasksé
ç½® .
<bean id="simpleReportTrigger" class="org.springframework.scheduling.quartz.SimpleTriggerBean">
<property name="jobDetail" ref="reprotJob" />
<property name="startDelay">
<value>360000value>
property>
<property name="repeatInterval">
<value>86400000value>
property>
bean>
startDelayä¹æ¯å»¶è¿1个å°æ¶å¯å¨
CronTriggerBeanæå®å·¥ä½çåç¡®è¿è¡æ¶é´
<bean id="cronReportTrigger" class="org.springframework.scheduling.quartz.CronTriggerBean">
<property name="jobDetail" ref="reprotJob" />
<property name="cronExpression">
<value>0 0 6 * * ?value>
property>
bean>
å±æ§cronExpressionåè¯ä½æ¶è§¦åãæç¥ç§å°±æ¯cron表达å¼ï¼
Linuxç³»ç»ç计åä»»å¡é常æcronæ¥æ¿æ
ãä¸ä¸ªcron表达å¼æè³å°6个ï¼ä¹å¯è½7个ï¼æç©ºæ ¼åéçæ¶é´å
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1.ç§2.å3.å°æ¶4.æ份ä¸çæ¥æï¼1-31ï¼5.æ份ï¼1-12æJAN-DEC)6.ææä¸çæ¥æï¼1-7æSUN-SATï¼7.年份ï¼1970-2099ï¼
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ç´ é½æ¾ç¤ºçè§å®ä¸ä¸ªå¼ï¼å¦6ï¼ï¼ä¸ä¸ªåºé´ï¼9-12ï¼ï¼ä¸ä¸ªå表ï¼9ï¼11ï¼13ï¼æä¸ä¸ªéé
符ï¼*ï¼ãå 为4å6è¿ä¸¤ä¸ªå
ç´ æ¯äºæ¥çï¼å æ¤åºè¯¥éè¿è®¾ç½®ä¸ä¸ªé®å·ï¼ï¼ï¼æ¥è¡¨æä¸æ³è®¾ç½®çé£ä¸ªå段ï¼â/âå¦æå¼ç»å就表示éå¤æ¬¡æ°ï¼10/6表示æ¯10ç§éå¤6次ï¼ã
å¯å¨å®æ¶å¨
<bean class="org.springframework.scheduling.quartz.SchedulerFactoryBean">
<property name="triggers">
<list><ref bean="cronReportTrigger"/>list>
property>
bean>
triggerså±æ§æ¥åä¸ç»è§¦åå¨ã
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